.app{
    display: grid;
    align-items: center;
    justify-items: center;
    grid-template-columns: repeat(3,1fr);
    grid-row-gap: 20px;
  }
  .item{
    width: 17.5695vw;
  }
  .pic{
    width: 14.6413vw;
    height: 19.7657vw;
  }
  .star{
    width: 2.1962vw;
    height: 2.1962vw;
  }
  .fen{
  display: inline;
  }